Phone Prefix
(650) 544-XXXX
CA • SAN MATEO
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SAN MATEO
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(650) 544-0000
Last Number
(650) 544-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 5 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (650) 544-4318 6505444318 | 1 |
| 2 | (650) 544-4584 6505444584 | 1 |
| 3 | (650) 544-5398 6505445398 | 1 |
| 4 | (650) 544-7970 6505447970 | 1 |
| 5 | (650) 544-8646 6505448646 | 1 |
About This Prefix
Phone numbers starting with (650) 544 are part of the North American Numbering Plan (NANP). The first three digits (650) represent the Area Code (NPA), and the next three digits (544) represent the Central Office Code (NXX) or exchange.
- NPA (650) - Numbering Plan Area, identifies the geographic region
- NXX (544) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)